/// <summary>
        /// Puts all loaded planet definitions into the given listbox.
        /// </summary>
        /// <param name="listBox">Listbox</param>
        private void LoadPlanetDefs(MyGuiControlListbox listBox)
        {
            listBox.Clear();
            var definitions = MyDefinitionManager.Static.GetPlanetsGeneratorsDefinitions();

            foreach (var planet in definitions)
            {
                MyGuiControlListbox.Item i = new MyGuiControlListbox.Item(new StringBuilder(planet.Id.SubtypeId.ToString()), userData: planet);
                listBox.Items.Add(i);
            }
        }